146 citations · 487 across the 23 of their papers we have counts for
24 papers
Orientation-resolved tunnel spectroscopy of a triplet superconductor
Marcel Strohmeier, Andriy Smolyanyuk, Karsten Held +5
Although Cooper pairs in superconductors generally condense into a spin-singlet state, spin-triplet superconductivity has attracted sustained interest since it enables dissipationl…
From Film to Flakes: Electronic Properties and Magnetization Variations in Yttrium Iron Garnet
Pia M. Düring, Seema, Roman Hartmann +7
Yttrium iron garnet (YIG) is a ferrimagnetic insulator valued for its high Curie temperature, very low magnetic damping, and ability to support long-range spin-wave transport. Thes…
Superconducting non-volatile memory based on charge trapping and gate-controlled supercurrent
Leon Ruf, Angelo Di Bernardo, Elke Scheer
Superconducting electronics holds great promise for energy-efficient high-performance and quantum computing, yet no superconducting memory has matched the performance of convention…
Tutorial: From Topology to Hall Effects -- Implications of Berry Phase Physics
Nico Sprinkart, Elke Scheer, Angelo Di Bernardo
The Berry phase is a fundamental concept in quantum mechanics with profound implications for understanding topological properties of quantum systems. This tutorial provides a compr…
High-performance gate-controlled superconducting switches: large output voltage and reproducibility
Leon Ruf, Elke Scheer, Angelo Di Bernardo
Logic circuits consist of devices that can be controlled between two distinct states. The recent demonstration that a superconducting current flowing in a constriction can be contr…
Unveiling unconventional magnetism at the surface of SrRuO
Rosalba Fittipaldi, Roman Hartmann, Maria Teresa Mercaldo +23
Materials with strongly correlated electrons exhibit physical properties that are often difficult to predict as they result from the interactions of large numbers of electrons comb…
Critical temperature of triplet superconductor-ferromagnet bilayers as a probe for pairing symmetry
Erik Wegner Hodt, Carla Cirillo, Angelo Di Bernardo +2
Identifying superconducting materials with spin-polarized Cooper pairs is an important objective both for exploration of new fundamental physics and for cryogenic applications in s…
Gate-controlled supercurrent effect in dry-etched Dayem bridges of non-centrosymmetric niobium rhenium
Jennifer Koch, Carla Cirillo, Sebastiano Battisti +10
The application of a gate voltage to control the superconducting current flowing through a nanoscale superconducting constriction, named as gate-controlled supercurrent (GCS), has…
Demonstration of high-impedance superconducting NbRe Dayem bridges
S. Battisti, J. Koch, A. Paghi +10
Here we demonstrate superconducting Dayem-bridge weak-links made of different stoichiometric compositions of NbRe. Our devices possess a relatively high critical temperature, norma…
Dirac surface states, multiorbital dimerization and superconductivity in Nb- and Ta-based A15 compounds
Raghottam M. Sattigeri, Giuseppe Cuono, Ghulam Hussain +5
Using first-principle calculations, we investigate the electronic, topological and superconducting properties of NbX (X = Ge, Sn, Sb) and TaY (Y = As, Sb, Bi) A15 compounds…
Single-crystalline YIG flakes with uniaxial in-plane anisotropy and diverse crystallographic orientations
Roman Hartmann, Seema, Ivan Soldatov +12
We study Y3Fe5O12 (YIG) flakes that we produce via mechanical cleaving and exfoliation of YIG single crystals. By characterizing their structural and magnetic properties, we find t…
Signature of long-ranged spin triplets across a two-dimensional superconductor/helimagnet van der Waals interface
Alfredo Spuri, Danilo Nikolić, Subrata Chakraborty +7
The combination of a superconductor with a magnetically inhomogeneous material has been established as an efficient mechanism for the generation of long-ranged spin-polarized (spin…
Effects of fabrication routes and material parameters on the control of superconducting currents by gate voltage
Leon Ruf, Tosson Elalaily, Claudio Puglia +12
The control of a superconducting current via the application of a gate voltage has been recently demonstrated in a variety of superconducting devices. Although the mechanism underl…
Materials challenges for SrRuO3: from conventional to quantum electronics
Mario Cuoco, Angelo Di Bernardo
The need for faster and more miniaturised electronics is challenging scientists to develop novel forms of electronics based on quantum degrees of freedom different from electron ch…
Microscopic theory of supercurrent suppression by gate-controlled surface depairing
Subrata Chakraborty, Danilo Nikolić, Juan Carlos Cuevas +5
Recently gate-mediated supercurrent suppression in superconducting nano-bridges has been reported in many experiments. This could be either a direct or an indirect gate effect. The…
Gate control of superconducting current: Mechanisms, parameters and technological potential
Leon Ruf, Claudio Puglia, Tosson Elalaily +14
In conventional metal-oxide semiconductor (CMOS) electronics, the logic state of a device is set by a gate voltage (VG). The superconducting equivalent of such effect had remained…
Chip-Integrated Vortex Manipulation
Itai Keren, Alon Gutfreund, Avia Noah +4
Abrikosov Vortices have long been considered as means to encode classical information in low-temperature logic circuits (1) and memory devices (2-4). Although it is possible to con…
Thin film and surface preparation chamber for the low energy muons spectrometer
Hanna Teuschl, Angelo Di Bernardo, Leandro M. O. Lourenço +3
We have designed and constructed a thin film preparation chamber with base pressure of ~mbar. Currently, the chamber is equipped with two large area evaporators…
Nodal superconducting exchange coupling
Angelo Di Bernardo, Sachio Komori, Giorgio Livanas +4
The superconducting equivalent of giant magnetoresistance, involves placing a thin-film superconductor between two ferromagnetic layers. A change of magnetization-alignment in such…
Unconventional Meissner screening induced by chiral molecules in a conventional superconductor
Hen Alpern, Morten Amundsen, Roman Hartmann +12
The coupling of a superconductor to a different material often results in a system with unconventional superconducting properties. A conventional superconductor is a perfect diamag…
Magnetic exchange fields and domain wall superconductivity at an all-oxide superconductor / ferromagnet insulator interface
S. Komori, A. Di Bernardo, A. I. Buzdin +2
At a superconductor-ferromagnet (S/F) interface, the F layer can introduce a magnetic exchange field within the S layer, which acts to locally spin split the superconducting densit…
Signature of magnetic-dependent gapless odd frequency states at superconductor/ferromagnet interfaces
Angelo Di Bernardo, Simon Diesch, Yuanzhou Gu +6
The theory of superconductivity developed by Bardeen, Cooper and Schrieffer (BCS) explains the stabilization of electron pairs into a spin-singlet, even frequency, state by the for…
Electric control of superconducting transition through a spin-orbit coupled interface
Jabir Ali Ouassou, Angelo Di Bernardo, Jason W. A. Robinson +1
We demonstrate theoretically all-electric control of the superconducting transition temperature using a device comprised of a conventional superconductor, a ferromagnetic insulator…
Inverse proximity effect at superconductor-ferromagnet interfaces: Evidence for induced triplet pairing in the superconductor
Yoav Kalcheim, Oded Millo, Angelo Di Bernardo +2
Considerable evidence for proximity-induced triplet superconductivity on the ferromagnetic side of a superconductor-ferromagnet (S-F) interface now exists; however, the correspondi…